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Bluetooth: Fix checking for valid address type values in mgmt commands 

This patch adds checks for valid address type values passed to mgmt
commands. If an invalid address type is encountered the code will return
a proper invalid params response.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
This commit is contained in:
Johan Hedberg 2013-01-20 14:27:19 +02:00 committed by Gustavo Padovan
parent 679efe2b4f
commit 4ee71b2017
1 changed files with 34 additions and 2 deletions
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36
net/bluetooth/mgmt.c
View File

@ -1526,6 +1526,14 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
key_count);
for (i = 0; i < key_count; i++) {
struct mgmt_link_key_info *key = &cp->keys[i];
if (key->addr.type != BDADDR_BREDR)
return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
MGMT_STATUS_INVALID_PARAMS);
}
hci_dev_lock(hdev);
hci_link_keys_clear(hdev);
@ -1573,12 +1581,17 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
struct hci_conn *conn;
int err;
hci_dev_lock(hdev);
memset(&rp, 0, sizeof(rp));
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
rp.addr.type = cp->addr.type;
if (!bdaddr_type_is_valid(cp->addr.type))
return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
MGMT_STATUS_INVALID_PARAMS,
&rp, sizeof(rp));
hci_dev_lock(hdev);
if (!hdev_is_powered(hdev)) {
err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
@ -1643,6 +1656,10 @@ static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
BT_DBG("");
if (!bdaddr_type_is_valid(cp->addr.type))
return cmd_status(sk, hdev->id, MGMT_OP_DISCONNECT,
MGMT_STATUS_INVALID_PARAMS);
hci_dev_lock(hdev);
if (!test_bit(HCI_UP, &hdev->flags)) {
@ -1947,6 +1964,11 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
rp.addr.type = cp->addr.type;
if (!bdaddr_type_is_valid(cp->addr.type))
return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
MGMT_STATUS_INVALID_PARAMS,
&rp, sizeof(rp));
hci_dev_lock(hdev);
if (!hdev_is_powered(hdev)) {
@ -2564,6 +2586,10 @@ static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
BT_DBG("%s", hdev->name);
if (!bdaddr_type_is_valid(cp->addr.type))
return cmd_status(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
MGMT_STATUS_INVALID_PARAMS);
hci_dev_lock(hdev);
err = hci_blacklist_add(hdev, &cp->addr.bdaddr, cp->addr.type);
@ -2589,6 +2615,10 @@ static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
BT_DBG("%s", hdev->name);
if (!bdaddr_type_is_valid(cp->addr.type))
return cmd_status(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
MGMT_STATUS_INVALID_PARAMS);
hci_dev_lock(hdev);
err = hci_blacklist_del(hdev, &cp->addr.bdaddr, cp->addr.type);
@ -2707,6 +2737,8 @@ static bool ltk_is_valid(struct mgmt_ltk_info *key)
return false;
if (key->master != 0x00 && key->master != 0x01)
return false;
if (!bdaddr_type_is_le(key->addr.type))
return false;
return true;
}